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TITLE OF THE INTERVENTION TOOL

3D Cartesian coordinate systems

ADDRESS TO

Class

COGNITIVE AREA AND MATHEMATICAL DOMAIN ADDRESSED

Visual-spatial/Geometry

UNIVERSAL DESIGN FOR LEARNING PRINCIPLES

- Engagement/Sustaining efforts and persistence
- Engagement/Self-regulation
- Representation/Perception
- Action and expression/Expression and communication

FORMATIVE ASSESSMENT STRATEGIES

- Engineering classroom discussions
- Activating students s resources for one another
- Activating learners as the owners of their own learning

EQUIPMENT NEEDED

• 10 cm edge cube built with thick transparent plastic;
• Plastic rods from the “Mikado” (= Pick Up Sticks) game.

ESTIMATED TIME

45 Minutes

DESCRIPTION

The activity will be developed in two stages: in the first, points whose coordinates are positive or null will be identified; in the second, with the change of the Cartesian referential, the points will have to deal with positive, negative and / or null coordinates.
1. Identify each edge of the cube with a letter and place plastic sticks from the “Mikado’’ game with different colors on three crossing edges.
2. Place three plastic rods from the “Mikado” game (with different colors) intersecting in the center of two parallel faces and identify some midpoints of the edges and indicate their coordinates.

EDUCATIONAL AIM

Identification of coordinates in the 3D space.

REFERENCES

www.dge.mec.pt (Programa e Metas Curriculares de Matemática do Ensino Básico)
www.projectmaths.ie (Coordinate Geometry - Project Maths)

INTERVENTION TOOL (PDF)

MONITORING TOOL (PDF)

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The SMiLD project is funded by the European Commission through the Italian National Agency for the Erasmus+ Programme. This web site reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.